package ooday03;

public class InterfaceDemo {
}

interface Inter{
    void test();
}
interface Inter1{
    void show();
    void test();
}
class Aoo implements Inter1{
    public void show(){}
    public void test(){}
}




interface Inter2{
    void show();
}
interface Inter3{
    void test();
}
abstract class Boo{
     abstract void say();
}
class Coo extends Boo implements Inter2,Inter3{
    public void show(){}
    public void test(){}
    void say(){}
}